On a new tubularian hydroid from Natal /
Ewer, D. W.
On a new tubularian hydroid from Natal / by D. W. Ewer - London : Adlard & Son, 1953 - 351-357 p. : ill. ; 27 cm - Annals of the Natal Museum ; 12 .
On a new tubularian hydroid from Natal / by D. W. Ewer - London : Adlard & Son, 1953 - 351-357 p. : ill. ; 27 cm - Annals of the Natal Museum ; 12 .